349087259 has 2 divisors, whose sum is σ = 349087260. Its totient is φ = 349087258.

The previous prime is 349087253. The next prime is 349087273. The reversal of 349087259 is 952780943.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349087259 is a prime.

It is a super-2 number, since 2×349087259² = 243723828792266162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (349087253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174543629 + 174543630.

It is an arithmetic number, because the mean of its divisors is an integer number (174543630).

Almost surely, 2^349087259 is an apocalyptic number.

349087259 is a deficient number, since it is larger than the sum of its proper divisors (1).

349087259 is an equidigital number, since it uses as much as digits as its factorization.

349087259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 349087259 is about 18683.8769798990. The cubic root of 349087259 is about 704.1167343389.

The spelling of 349087259 in words is "three hundred forty-nine million, eighty-seven thousand, two hundred fifty-nine".